公开(公告)号：US11333610B2

公开(公告)日：2022-05-17

申请号：US16486045

申请日：2018-02-14

Applicant: SARAYA CO., LTD.

Inventor： Madan Mali ,  Satomi Sakai ,  Emiko Kawamukai

IPC: G01N21/78 ,  A61L2/18 ,  G01N31/22

Abstract: The invention provides a percarboxylic acid concentration-determining device capable of determining the concentration of percarboxylic acid contained in an aqueous solution for chemical sterilization or disinfection that contains a percarboxylic acid as an active ingredient; and an indicator solution for use in preparing the device. The indicator solution contains a starch, an iodide, a thiosulfate, a water-soluble organic solvent, and water, with the starch, the iodide, the thiosulfate, and the water-soluble organic solvent being present in the following proportions, based on the total amount taken as 100 mass %: (a) starch: 0.01 to 5 mass %; (b) iodide: 0.01 to 5 mass %; (c) thiosulfate: 0.01 to 10 mass %; and (d) water-soluble organic solvent: 0.1 to 40 mass %, wherein the total amount of (a), (b), and (c) is greater than 0.6 mass %.

公开(公告)号：US10736323B2

公开(公告)日：2020-08-11

申请号：US14042657

申请日：2013-09-30

Applicant: Saraya Co., Ltd.

Inventor： Emiko Kawamukai ,  Satomi Sakai ,  Taro Furuta

IPC: A01N37/16 ,  A01N59/00 ,  A61L2/18 ,  C23C22/56 ,  C23F11/12

Abstract: The invention provides a liquid composition containing (a) an acidic oxidant, (b) nitric acid or a salt thereof, and (c) at least one carboxylic acid selected from the group consisting of monocarboxylic acids, dicarboxylic acids, and tricarboxylic acids, or a salt thereof. The liquid composition can be used to disinfect or sterilize a subject that includes a portion made of an aluminum-based metal.